135915638734 has 4 divisors (see below), whose sum is σ = 203873458104. Its totient is φ = 67957819366.

The previous prime is 135915638699. The next prime is 135915638743. The reversal of 135915638734 is 437836519531.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×135915638734³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33978909682 + ... + 33978909685.

It is an arithmetic number, because the mean of its divisors is an integer number (50968364526).

Almost surely, 2^135915638734 is an apocalyptic number.

135915638734 is a deficient number, since it is larger than the sum of its proper divisors (67957819370).

135915638734 is an equidigital number, since it uses as much as digits as its factorization.

135915638734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67957819369.

The product of its digits is 8164800, while the sum is 55.

The spelling of 135915638734 in words is "one hundred thirty-five billion, nine hundred fifteen million, six hundred thirty-eight thousand, seven hundred thirty-four".